Example usage for com.vaadin.server VaadinSession getCurrent

Introduction

In this page you can find the example usage for com.vaadin.server VaadinSession getCurrent.

Prototype

public static VaadinSession getCurrent() 

Source Link

Document

Gets the currently used session.

Usage

From source file:dhbw.clippinggorilla.userinterface.windows.NewSourceWindow.java

/**
 * If no value present, choose a empty string
 *
 * @param title//from ww w  . j  a  v  a2s .  c  o  m
 * @param link
 * @param description
 * @param language
 * @param imageUrl
 * @return
 */
private Component getSecondStage(Source s) {
    Label header = new Label(Language.get(Word.SOURCE));
    header.addStyleName(ValoTheme.LABEL_H1);

    FormLayout forms = new FormLayout();
    forms.setSizeFull();

    TextField textFieldId = new TextField(Language.get(Word.ID));
    textFieldId.setEnabled(false);
    textFieldId.setValue(s.getId());
    textFieldId.setWidth("750px");

    TextField textFieldName = new TextField(Language.get(Word.NAME));
    textFieldName.setValue(s.getName());
    textFieldName.setWidth("750px");

    TextField textFieldDescription = new TextField(Language.get(Word.DESCRIPTION));
    textFieldDescription.setValue(s.getDescription());
    textFieldDescription.setWidth("750px");

    TextField textFieldURL = new TextField(Language.get(Word.URL));
    if (s.getUrl() != null) {
        textFieldURL.setValue(s.getUrl().toExternalForm());
    }
    textFieldURL.setWidth("750px");

    ComboBox<Category> comboBoxCategories = new ComboBox<>(Language.get(Word.CATEGORY),
            EnumSet.allOf(Category.class));
    comboBoxCategories.setItemCaptionGenerator(c -> c.getName());
    comboBoxCategories.setItemIconGenerator(c -> c.getIcon());
    comboBoxCategories.setEmptySelectionAllowed(false);
    comboBoxCategories.setTextInputAllowed(false);
    comboBoxCategories.setWidth("375px");
    if (s.getCategory() != null) {
        comboBoxCategories.setSelectedItem(s.getCategory());
    }

    ComboBox<Locale> comboBoxLanguage = new ComboBox<>(Language.get(Word.LANGUAGE), getLanguages());
    comboBoxLanguage.setItemCaptionGenerator(l -> l.getDisplayLanguage(VaadinSession.getCurrent().getLocale()));
    comboBoxLanguage.setEmptySelectionAllowed(false);
    comboBoxLanguage.setWidth("375px");
    if (!s.getLanguage().isEmpty()) {
        Locale selected = new Locale(s.getLanguage());
        comboBoxLanguage.setSelectedItem(selected);
    }

    Locale loc = VaadinSession.getCurrent().getLocale();

    Map<String, Locale> countries = getCountries();
    List<Locale> locales = countries.values().parallelStream()
            .sorted((l1, l2) -> l1.getDisplayCountry(loc).compareTo(l2.getDisplayCountry(loc)))
            .collect(Collectors.toList());
    ComboBox<Locale> comboBoxCountry = new ComboBox<>(Language.get(Word.COUNTRY), locales);
    comboBoxCountry.setItemCaptionGenerator(l -> l.getDisplayCountry(VaadinSession.getCurrent().getLocale()));
    comboBoxCountry.setItemIconGenerator(l -> FamFamFlags.fromLocale(l));
    comboBoxCountry.setEmptySelectionAllowed(false);
    comboBoxCountry.setWidth("375px");
    if (!s.getCountry().isEmpty()) {
        comboBoxCountry.setSelectedItem(countries.getOrDefault(s.getCountry(), Locale.ROOT));
    }

    Image imageLogo = new Image(Language.get(Word.LOGO));

    TextField textFieldLogo = new TextField(Language.get(Word.LOGO_URL));
    if (s.getLogo() != null) {
        textFieldLogo.setValue(s.getLogo().toExternalForm());
        imageLogo.setSource(new ExternalResource(s.getLogo()));
    }
    textFieldLogo.addValueChangeListener(ce -> imageLogo.setSource(new ExternalResource(ce.getValue())));
    textFieldLogo.setWidth("750px");

    if (imageLogo.getHeight() > 125) {
        imageLogo.setHeight("125px");
    }

    forms.addComponents(textFieldId, textFieldName, textFieldDescription, textFieldURL, comboBoxCategories,
            comboBoxLanguage, comboBoxCountry, textFieldLogo, imageLogo);

    Runnable cancel = () -> close();
    Runnable next = () -> validateSecondStage(s, textFieldId.getValue(), textFieldName.getValue(),
            textFieldURL.getValue(), textFieldDescription.getValue(),
            comboBoxCategories.getSelectedItem().orElse(null),
            comboBoxLanguage.getSelectedItem().orElse(Locale.ROOT),
            comboBoxCountry.getSelectedItem().orElse(Locale.ROOT), textFieldLogo.getValue());

    VerticalLayout windowLayout = new VerticalLayout();
    windowLayout.addComponents(header, forms, getFooter(cancel, next));
    windowLayout.setComponentAlignment(header, Alignment.MIDDLE_CENTER);
    return windowLayout;
}

---

From source file:dhbw.clippinggorilla.userinterface.windows.NewSourceWindow.java

public static List<Locale> getLanguages() {
    return Arrays.asList(Locale.getISOLanguages()).parallelStream().map(s -> new Locale(s))
            .sorted((l1, l2) -> l1.getDisplayLanguage(VaadinSession.getCurrent().getLocale())
                    .compareTo(l2.getDisplayLanguage(VaadinSession.getCurrent().getLocale())))
            .collect(Collectors.toList());
}

---

From source file:dhbw.clippinggorilla.userinterface.windows.PreferencesWindow.java

private Component buildClippingsTab(User user) {
    HorizontalLayout root = new HorizontalLayout();
    root.setCaption(Language.get(Word.CLIPPINGS));
    root.setIcon(VaadinIcons.NEWSPAPER);
    root.setWidth("100%");
    root.setSpacing(true);//from  ww  w . j av a 2s  .  co  m
    root.setMargin(true);

    FormLayout formLayoutClippingDetails = new FormLayout();
    formLayoutClippingDetails.addStyleName(ValoTheme.FORMLAYOUT_LIGHT);
    root.addComponent(formLayoutClippingDetails);

    CheckBox checkBoxReceiveEmails = new CheckBox();
    checkBoxReceiveEmails.setValue(UserUtils.getEmailNewsletter(user));
    checkBoxReceiveEmails.addValueChangeListener(v -> UserUtils.setEmailNewsletter(user, v.getValue()));
    HorizontalLayout layoutCheckBoxReceiveEmails = new HorizontalLayout(checkBoxReceiveEmails);
    layoutCheckBoxReceiveEmails.setCaption(Language.get(Word.EMAIL_SUBSCRIPTION));
    layoutCheckBoxReceiveEmails.setMargin(false);
    layoutCheckBoxReceiveEmails.setSpacing(false);

    HorizontalLayout layoutAddNewClippingTime = new HorizontalLayout();
    layoutAddNewClippingTime.setMargin(false);
    layoutAddNewClippingTime.setCaption(Language.get(Word.ADD_CLIPPING_TIME));
    layoutAddNewClippingTime.setWidth("100%");

    InlineDateTimeField dateFieldNewClippingTime = new InlineDateTimeField();
    LocalDateTime value = LocalDateTime.now(ZoneId.of("Europe/Berlin"));
    dateFieldNewClippingTime.setValue(value);
    dateFieldNewClippingTime.setLocale(VaadinSession.getCurrent().getLocale());
    dateFieldNewClippingTime.setResolution(DateTimeResolution.MINUTE);
    dateFieldNewClippingTime.addStyleName("time-only");

    Button buttonAddClippingTime = new Button();
    buttonAddClippingTime.setIcon(VaadinIcons.PLUS);
    buttonAddClippingTime.addStyleName(ValoTheme.BUTTON_PRIMARY);
    buttonAddClippingTime.setClickShortcut(ShortcutAction.KeyCode.ENTER, null);
    buttonAddClippingTime.addClickListener(e -> {
        LocalTime generalTime = dateFieldNewClippingTime.getValue().toLocalTime();
        layoutClippingTimes.addComponent(getTimeRow(user, generalTime));
        UserUtils.addClippingSendTime(user, generalTime);
    });
    layoutAddNewClippingTime.addComponents(dateFieldNewClippingTime, buttonAddClippingTime);
    layoutAddNewClippingTime.setComponentAlignment(dateFieldNewClippingTime, Alignment.MIDDLE_LEFT);
    layoutAddNewClippingTime.setComponentAlignment(buttonAddClippingTime, Alignment.MIDDLE_CENTER);
    layoutAddNewClippingTime.setExpandRatio(dateFieldNewClippingTime, 5);

    layoutClippingTimes = new VerticalLayout();
    layoutClippingTimes.setMargin(new MarginInfo(true, false, false, true));
    layoutClippingTimes.setCaption(Language.get(Word.CLIPPING_TIMES));
    layoutClippingTimes.setWidth("100%");
    layoutClippingTimes.addStyleName("times");

    Set<LocalTime> userTimes = user.getClippingTime();
    userTimes.forEach(t -> layoutClippingTimes.addComponent(getTimeRow(user, t)));

    formLayoutClippingDetails.addComponents(layoutCheckBoxReceiveEmails, layoutAddNewClippingTime,
            layoutClippingTimes);

    return root;
}

---

From source file:dhbw.clippinggorilla.utilities.language.Language.java

/**
 * Returns a word in the language og the user User
 * {@link #set(dhbw.clippinggorilla.languages.Word, com.vaadin.ui.Component)}
 * to set a specific Components Text<br>
 * It is deprecated because changing the Language doesnt automatically
 * change/*from ww w.j  ava  2s.com*/
 *
 * @param word the word to be returned
 * @return The requested word in the user language
 */
public static final String get(Word word) {
    if (VaadinSession.getCurrent() == null || VaadinSession.getCurrent().getLocale() == null) {
        return Language.ENGLISH.words.getOrDefault(word, word.name());
    }
    return LANGUAGES.getOrDefault(VaadinSession.getCurrent().getLocale(), Language.ENGLISH).words
            .getOrDefault(word, word.name());
}

---

From source file:dhbw.clippinggorilla.utilities.language.Language.java

/**
 * Automatically sets the value of the Vaadin Component, this is useful, if
 * the user changes the language, all components are changed
 *
 * @param word the word to be returned/*from  ww  w  .  ja  v  a  2  s  .  c  o m*/
 * @param component
 */
public static final void set(Word word, Component component) {
    Map<Component, Word> components = COMPONENTS.getOrDefault(VaadinSession.getCurrent(), new HashMap<>());
    components.put(component, word);
    COMPONENTS.put(VaadinSession.getCurrent(), components);
    changeComponentTo(LANGUAGES.getOrDefault(VaadinSession.getCurrent().getLocale(), ENGLISH), component, word);
}

---

From source file:dhbw.clippinggorilla.utilities.language.Language.java

/**
 * Sets a custom text to a custom object<br><br>
 *
 * If the User changes the Language:<br><br>
 * 1. The word is being translated<br>
 * 2. The translated word enters the Stringmodifier<br>
 * 3. The potentially modified word enters the ValueSetter which sets the
 * value<br><br>//from w  ww  . jav a2  s  .c  om
 *
 * The modifier can be null if you dont want to change the word.<br><br>
 *
 * Example:<br>
 * <pre>
 * {@code
 * Textfield field = ... ;
 * Language.setCustom(Word.TODAY_IS, s -> s + LocalDate.now().toString(), v -> field.setPlaceholder(v));
 * }
 * </pre> In this Example you have a Textfield.<br>
 * You want to set a specific Text as Placeholder (If you dont want to
 * modify the word AND just want to use the Standard field.setValue(...) you
 * can use the {@link #set(Word, Component)} for that).<br>
 * You do this by modifying the string s by appending the local date as
 * example.<br>
 * In the end you set the modified string as placeholder for your textfield
 * as example.
 *
 * @param word the word to be returned
 * @param modifier
 * @param setter
 */
public static void setCustom(Word word, StringModifier modifier, ValueSetter setter) {
    List<Custom> customs = CUSTOMS.getOrDefault(VaadinSession.getCurrent(), new ArrayList<>());
    customs.add(new Custom(word, modifier, setter));
    CUSTOMS.put(VaadinSession.getCurrent(), customs);
    changeCustomTo(LANGUAGES.getOrDefault(VaadinSession.getCurrent().getLocale(), ENGLISH), word, modifier,
            setter);
}

---

From source file:dhbw.clippinggorilla.utilities.language.Language.java

public static final void setLanguage(Locale Language) {
    VaadinSession.getCurrent().setLocale(Language);
    changeAllComponentsTo(LANGUAGES.getOrDefault(Language, ENGLISH));
    changeAllCustomsTo(LANGUAGES.getOrDefault(Language, ENGLISH));
}

---

From source file:dhbw.clippinggorilla.utilities.language.Language.java

private static void changeAllCustomsTo(Language languageToBeChangedTo) {
    CUSTOMS.get(VaadinSession.getCurrent()).forEach((Custom c) -> {
        changeCustomTo(languageToBeChangedTo, c.word, c.modifier, c.setter);
    });//from   w w w .  j  a v  a2 s  . c  om
}

---

From source file:dhbw.clippinggorilla.utilities.language.Language.java

private static void changeAllComponentsTo(Language languageToBeChangedTo) {
    COMPONENTS.get(VaadinSession.getCurrent()).forEach((Component k, Word v) -> {
        changeComponentTo(languageToBeChangedTo, k, v);
    });// w  ww. j av a2  s .c  o m
}

---

From source file:edu.kit.dama.ui.admin.AdminUIMainView.java

License:Apache License

@Override
protected void init(VaadinRequest request) {
    try {/*from   w  ww.ja  v a 2 s . c om*/
        //might be OAuth redirect
        String pendingAuthId = null;
        AbstractLoginComponent.AUTH_MODE type = AbstractLoginComponent.AUTH_MODE.LOGIN;
        if (VaadinSession.getCurrent().getAttribute("auth_pending") != null) {
            pendingAuthId = (String) VaadinSession.getCurrent().getAttribute("auth_pending");
        } else if (VaadinSession.getCurrent().getAttribute("registration_pending") != null) {
            pendingAuthId = (String) VaadinSession.getCurrent().getAttribute("registration_pending");
            type = AbstractLoginComponent.AUTH_MODE.REGISTRATION;
        }

        doBasicSetup();

        boolean isLandingPage = request.getParameter("landing") != null;
        String landingObjectId = request.getParameter("oid");
        //setup header
        setupHeader(isLandingPage, landingObjectId);

        //setup login form
        setupLoginForm(type, pendingAuthId, request);
        if (pendingAuthId != null && !type.equals(AbstractLoginComponent.AUTH_MODE.REGISTRATION)) {
            //auth will redirect to start page so we'll stop here
            return;
        }

        mainLayout = new VerticalLayout();
        mainLayout.setMargin(false);
        mainLayout.setSizeFull();

        //setup login bar
        loginInformationBar = new LoginInformationBar(this);
        loginInformationBar.reload();

        setContent(mainLayout);
        setSizeFull();
        if (isLandingPage) {
            //setup landing page
            LOGGER.debug("Showing landing page.");
            setupLandingPage(request);
        } else {
            refreshMainLayout();
        }
        INITIALIZING = false;
    } catch (Throwable t) {
        LOGGER.error("Failed to init app.", t);
    }
}

---

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